主权项 |
1. An ink jet printer ink having heat activated colorant solids, comprising:
water; heat activated colorant solids; and a viscosity control agent comprising not less than 15%, or greater than 60%, by weight of the liquid ink, wherein the liquid ink has a viscosity of not less than 6.0 centipoise, wherein the heat activated colorant solids are sparingly soluble in the viscosity control agent, and wherein not less than 95% of particles of heat activated colorant solids have a diameter of 0.05 microns or greater.
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